| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 20801.4-2020 | English | 645 |
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Pressure piping code - Industrial piping - Part 4: Fabrication and assembly
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GB/T 20801.4-2020
| Valid |
GB/T 20801.4-2020
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